AP CHEM TEST 1

Percent Composition and Mole

100

Write the Empirical Formula for: 

H₁₂C₃₆O₄

H₃C₉O

200

Convert 28.6g Na to Mole of Na 

1.2 mol

300

Convert 3.65 Mols of Al to mass

98.47 mol

400

Balance the following equation: 

__ AlBr₃ + __ K₂SO₄ ----> __ KBr + __ Al₂(SO₄)₃

2, 1, 6, 1 

500

Do the percent composition of the following equation:

12.43 g K 

11.4 g Cl 

0.54 g H 

1 mol K 

1 mol Cl 

2 mol H 

Electron Configuration

100

Sc 

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1 

200

1s2, 2s1 

Li

300

Xe 

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p6

400

1s2, 2s2, 2p5 

F

500

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d8

Ag

Noble Gas Configuration

100

[Kr} 1s2 

Sr

200

[Ar] 4s2, 3d4 

Cr

300

[Ne] 3s2, 3p5 

Cl

400

Au 

[Xe] 6s2, 4f14, 5d9

500

Nd 

[Xe] 6s2, 4f3

Periodic trends

100

What is the trend for increasing atomic radius?

Down and to the left

200

Trend for electronegativity 

Up and to the right

300

What is the most reactive NON METAL 

F

400

What is the largest STABLE element by radius? 

Cesium 

500

Trend for electron affinity 

Up and to the right 

Vocabulary

100

Energy required to REMOVE an electron 

Ionization energy

200

Anions 

Negatively Charged ions

300

Ability to attract an electron 

Electronegativity 

400

What is bigger? 

Cl^- or Cl 

Cl^-

500

Give the arrow/orbital notation of Br 

ud, ud, uuuddd, ud, uuuddd, ud, ududududud, uuudd